Data:K12a1124/HOMFLYPT Polynomial

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a^6-3 z^2 a^4+3 z^4 a^2-z^2 a^2-2 a^2-z^6+z^4+z^2+3+3 z^4 a^{-2} -z^2 a^{-2} -2 a^{-2} -3 z^2 a^{-4} + a^{-6} }